Silva Center for Phycological Documentation: Index Nominum Algarum

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Indexes (very large files) to all taxa:

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Triceratium semicirculare Brightwell
Quart. J. Microscop. Sci. 1: 252, pl. IV: fig. 21. 1853. (E)
Type: BM 38036 (LT fide P.A. Sims. Diatom Research 15: 399. 2000)
Type locality: USA: Maryland: Nottingham ('Bermuda earth')

See image Euodia brightwellii Ralfs 1861 (illeg.)
See image Biddulphia semicircularis (Brightwell) Boyer 1901
See Flexibiddulphia semicircularis (Brightwell) R. Simonsen 1987 (T)
See Euodiella semicircularis (Brightwell) P.A. Sims 2000

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